-Part Number: DR-8839 -Speaker Trolley -Driver Unit: 8.5" woffer + 3" tweeter -Power + Frequency: 25W -Functions: Aux audio input, Bluetooth, Microphone Jack, Remote Control -Accessories: Remote Control, 1 Wireless Microphone -Charging + Battery: Usb charging Wire, 9V/3000mAh -Dimensions: 286*286*797mm -Weight: 30.5kg

-Sound Channel: 2.0 -Volume: In-line control -Input Interface: 3.5mm AUX Male Audio and Microphone Input+ USB -Output Power: 5W -Cable Length: 86cm -Power Supply Mode: USB power supply interface (5V)

-Sound Channel: 2.0 -Volume: In-line control -Speaker Size: 52mm full range x2 -Input Interface: 3.5mm -Output Power: 3W x2 -Cable Length: 1 meter -Power Supply Mode: USB power supply interface (5V)

-Part Number: BT-3401 -Frequency Response: 20hz-50hz -Interface: Bluetooth -Color: White

-Type:  Poe Gigabit Unmanaged - Mount:  Desktop, steel case -Interface :   4*10/100/1000 Base-T Ethernet (Data/PoE UT), 1*10/100/1000...

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-Type:  POe Gigabit unmanaged <span...

-Wireless : Ax3000Mbps Wifi6 -Interface: <span...

-4K UHD Output -8MP UHD Input -Plug and Play -H.265 Video Compression -10TB Large Capacity -App Remote Monitoring -Channel Cloud Storage -250m Long Transmission -Power Protection -Poe Power supply

-4MP UHD super Images -Built in Micro up to 5 meters -50 Meters Night Vision -Human Shape detection -Mobile Phone Remote Control -3D noise reduction -IP66 Waterproof and dustproof -H.265 Coding -DC 12V + Poe Power supply

-4MP UHD super Images -Built in Micro up to 5 meters -30 Meters Night Vision -Human Shape detection -Mobile Phone Remote Control -3D noise reduction -H.265 Coding -DC 12V + Poe Power supply